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iMACROS VERSION BUILD=9030808 RECORDER=FXBrowser Firefox 53.0.2 (64-bit)Operating System macOS Sierra V. 10.12.5Demos do not work. They open and don't run, or only run partially and then halt without errors.

Demo Open6Tabs.iim is intermittent. Sometimes it opens but does not run. Other times it runs but only opens the first tab (http://www.iopus.com). Processing stops at that point (line eight). No error messages when it stops. Eventually times out and gives this Error Code...TypeError: console.error is not a function (Error code: -1001)